Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.SpringDamperSeries,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_SpringDamperSeries",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.SpringDamperSeries,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_SpringDamperSeries",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000908/0.0009082, allocations: 94.53 kB / 17.35 MB, free: 6.371 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001077/0.001077, allocations: 176.7 kB / 18.25 MB, free: 5.527 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.27/1.27, allocations: 223.3 MB / 242.3 MB, free: 200 kB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.1774/0.1774, allocations: 44.25 MB / 337.7 MB, free: 2.652 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003189/0.0003191, allocations: 8 kB / 410.4 MB, free: 27.2 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09403/0.09436, allocations: 61.92 MB / 472.4 MB, free: 13.25 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.SpringDamperSeries): time 0.03171/0.1261, allocations: 37.42 MB / 0.4978 GB, free: 7.664 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.2107/0.3368, allocations: 7.753 MB / 0.5054 GB, free: 10.26 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.005783/0.3426, allocations: 155.2 kB / 0.5056 GB, free: 10.26 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001561/0.3442, allocations: 402.4 kB / 0.5059 GB, free: 10.26 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003516/0.3478, allocations: 1.159 MB / 0.5071 GB, free: 10.23 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001344/0.3491, allocations: 473.9 kB / 0.5075 GB, free: 10.22 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.005803/0.3549, allocations: 4.325 MB / 0.5117 GB, free: 10.21 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006267/0.3612, allocations: 4.169 MB / 0.5158 GB, free: 9.727 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001961/0.3632, allocations: 0.9279 MB / 0.5167 GB, free: 9.727 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002562/0.3658, allocations: 1.583 MB / 0.5183 GB, free: 9.629 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006655/0.3665, allocations: 129.4 kB / 0.5184 GB, free: 9.629 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001998/0.3685, allocations: 0.8943 MB / 0.5193 GB, free: 9.617 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001702/0.3702, allocations: 1.441 MB / 0.5207 GB, free: 9.438 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002336/0.3725, allocations: 1.79 MB / 0.5224 GB, free: 8.695 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.004378/0.3769, allocations: 5.82 MB / 0.5281 GB, free: 5.703 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.256e-06/0.3769, allocations: 0 / 0.5281 GB, free: 5.703 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.585e-06/0.377, allocations: 0 / 0.5281 GB, free: 5.703 MB / 382.1 MB Notification: Performance of Transformations before backend: time 5.713e-05/0.377, allocations: 3.938 kB / 0.5281 GB, free: 5.699 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1473 * Number of variables: 1473 Notification: Performance of Generate backend data structure: time 0.004616/0.3816, allocations: 3.451 MB / 0.5315 GB, free: 3.508 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.496e-05/0.3817, allocations: 9.906 kB / 0.5315 GB, free: 3.508 MB / 382.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006374/0.3823, allocations: 0.7015 MB / 0.5322 GB, free: 3.297 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005105/0.3874, allocations: 1.851 MB / 0.534 GB, free: 2.391 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001983/0.3894, allocations: 1.75 MB / 0.5357 GB, free: 1.48 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001028/0.3895, allocations: 228.9 kB / 0.5359 GB, free: 1.402 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004352/0.39, allocations: 302.9 kB / 0.5362 GB, free: 1.332 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01646/0.4064, allocations: 10.64 MB / 0.5466 GB, free: 8.844 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 9.924e-05/0.4066, allocations: 35.75 kB / 0.5466 GB, free: 8.824 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003734/0.407, allocations: 146 kB / 0.5468 GB, free: 8.719 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003327/0.4103, allocations: 2.039 MB / 0.5488 GB, free: 6.707 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0181/0.4284, allocations: 9.329 MB / 0.5579 GB, free: 13.53 MB / 414.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04391/0.4724, allocations: 38.03 MB / 0.595 GB, free: 6.965 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01018/0.4826, allocations: 4.179 MB / 0.5991 GB, free: 2.637 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002708/0.4853, allocations: 2.301 MB / 0.6013 GB, free: 324 kB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.007201/0.4925, allocations: 6.023 MB / 0.6072 GB, free: 10.07 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.211e-05/0.4926, allocations: 54.5 kB / 0.6073 GB, free: 10.02 MB / 462.1 MB Notification: Performance of pre-optimization done (n=181): time 3.917e-06/0.4926, allocations: 4 kB / 0.6073 GB, free: 10.01 MB / 462.1 MB Notification: Performance of matching and sorting (n=210): time 0.06154/0.5542, allocations: 21.93 MB / 0.6287 GB, free: 3.965 MB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.509e-05/0.5543, allocations: 152.5 kB / 0.6288 GB, free: 3.785 MB / 478.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005024/0.5593, allocations: 3.378 MB / 0.6321 GB, free: 408 kB / 478.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0003487/0.5597, allocations: 57.7 kB / 0.6322 GB, free: 344 kB / 478.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.002278/0.5619, allocations: 2.807 MB / 0.6349 GB, free: 13.59 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0009162/0.5629, allocations: 0.7956 MB / 0.6357 GB, free: 12.8 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008086/0.5637, allocations: 0.5031 MB / 0.6362 GB, free: 12.29 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001039/0.5638, allocations: 310.2 kB / 0.6365 GB, free: 11.99 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003506/0.5673, allocations: 2.331 MB / 0.6388 GB, free: 9.652 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006124/0.5735, allocations: 5.784 MB / 0.6444 GB, free: 2.211 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01068/0.5842, allocations: 8.805 MB / 0.653 GB, free: 8.074 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.267e-05/0.5843, allocations: 32 kB / 0.653 GB, free: 8.043 MB / 0.4981 GB Notification: Performance of matching and sorting (n=775) (initialization): time 0.01479/0.5991, allocations: 8.681 MB / 0.6615 GB, free: 15.35 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 7.963e-05/0.5992, allocations: 56 kB / 0.6616 GB, free: 15.29 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001378/0.5994, allocations: 124 kB / 0.6617 GB, free: 15.17 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002677/0.602, allocations: 1.046 MB / 0.6627 GB, free: 14.11 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004236/0.6063, allocations: 1.372 MB / 0.6641 GB, free: 12.74 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005417/0.6117, allocations: 5.397 MB / 0.6693 GB, free: 7.074 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003635/0.6154, allocations: 338 kB / 0.6696 GB, free: 6.746 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006303/0.616, allocations: 360 kB / 0.67 GB, free: 6.395 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 553 * Number of states: 0 () * Number of discrete variables: 36 (prismatic1.boxColor[3],prismatic1.boxColor[2],prismatic1.boxColor[1],universal1.cylinderColor[3],universal1.cylinderColor[2],universal1.cylinderColor[1],pointMass.sphereColor[3],pointMass.sphereColor[2],pointMass.sphereColor[1],s1.color[3],s1.color[2],s1.color[1],s1.massColor[3],s1.massColor[2],s1.massColor[1],sps1.color[3],sps1.color[2],sps1.color[1],sps1.color_b[3],sps1.color_b[2],sps1.color_b[1],sps1.color_a[3],sps1.color_a[2],sps1.color_a[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (734): * Single equations (assignments): 727 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(3,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,9,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003218/0.6192, allocations: 1.935 MB / 0.6719 GB, free: 4.445 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005734/0.6198, allocations: 311.9 kB / 0.6722 GB, free: 4.137 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007166/0.627, allocations: 3.94 MB / 0.676 GB, free: 176 kB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.759e-05/0.627, allocations: 27.94 kB / 0.676 GB, free: 148 kB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.702e-05/0.6271, allocations: 8 kB / 0.6761 GB, free: 140 kB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.1e-05/0.6271, allocations: 15.95 kB / 0.6761 GB, free: 124 kB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01527/0.6424, allocations: 8.884 MB / 0.6847 GB, free: 7.184 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.121e-05/0.6424, allocations: 4 kB / 0.6848 GB, free: 7.18 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001621/0.644, allocations: 347.5 kB / 0.6851 GB, free: 6.84 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00245/0.6465, allocations: 0.8695 MB / 0.6859 GB, free: 5.957 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001777/0.6467, allocations: 39.94 kB / 0.686 GB, free: 5.918 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004644/0.6513, allocations: 4.749 MB / 0.6906 GB, free: 0.9102 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.663e-06/0.6514, allocations: 0 / 0.6906 GB, free: 0.9102 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01023/0.6616, allocations: 6.868 MB / 0.6973 GB, free: 10.01 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007518/0.6624, allocations: 364.9 kB / 0.6977 GB, free: 9.633 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004765/0.6629, allocations: 32 kB / 0.6977 GB, free: 9.602 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001502/0.6644, allocations: 115.8 kB / 0.6978 GB, free: 9.488 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003082/0.6647, allocations: 121.1 kB / 0.6979 GB, free: 9.367 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001491/0.6648, allocations: 59.98 kB / 0.698 GB, free: 9.309 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.003237/0.6681, allocations: 2.077 MB / 0.7 GB, free: 7.238 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.8e-07/0.6681, allocations: 0 / 0.7 GB, free: 7.238 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.004058/0.6722, allocations: 0.9727 MB / 0.701 GB, free: 6.266 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 7 (sps1.s_damper,universal1.phi_a,universal1.phi_b,universal1.w_a,universal1.w_b,prismatic1.s,prismatic1.v) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (178): * Single equations (assignments): 171 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(3,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,6,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.1881/0.8603, allocations: 7.514 MB / 0.7083 GB, free: 201.5 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.01059/0.8709, allocations: 6.11 MB / 0.7143 GB, free: 200.8 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 5.069e-06/0.8709, allocations: 3.938 kB / 0.7143 GB, free: 200.8 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.004116/0.8751, allocations: 2.464 MB / 0.7167 GB, free: 199.7 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002664/0.8777, allocations: 344.1 kB / 0.717 GB, free: 199.6 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05962/0.9374, allocations: 50.34 MB / 0.7662 GB, free: 159.4 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003115/0.9405, allocations: 3.019 MB / 0.7691 GB, free: 156.7 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.003763/0.9443, allocations: 1.857 MB / 0.7709 GB, free: 154.9 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001883/0.9462, allocations: 1.714 MB / 0.7726 GB, free: 153.1 MB / 0.545 GB Notification: Performance of SimCode: time 5.71e-07/0.9462, allocations: 0 / 0.7726 GB, free: 153.1 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07779/1.024, allocations: 65.73 MB / 0.8368 GB, free: 87.83 MB / 0.545 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002356/1.024, allocations: 222.7 kB / 0.837 GB, free: 87.58 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.359/4.384, allocations: 4.062 kB / 0.837 GB, free: 87.57 MB / 0.545 GB (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_SpringDamperSeries_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_SpringDamperSeries.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Forces/SpringDamperSeries/SpringDamperSeries.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.SpringDamperSeries.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches